Access Panels and Doors

GFRG Access Panels and Doors made from glass fiber reinforced gypsum and 70% post-consumer recycled glass for a sustainable design that blends seamlessly into your walls and ceilings.

Consisting of a surround frame and either a Pop-Out or Concealed Hinged Door, Seamless GFRG Access Door Panels are perfect for jobs where Access is required at regular intervals.

Light-weight and easily textured, these panels can be used in both new and retrofit construction across unlimited applications.

The smart design helps contractors work smarter, faster, and better with deeper tapered edges, level 5 finish, pre-countersunk locations with superior plywood embedments for addition mechanical strength for drywall joints that won't shrink, crack, or sag. Our precision CNC machine controlled pattern making for mold making provides an aesthetically pleasing solution for a more attractive interior.

GFRG Access Panels and Doors made from glass fiber reinforced gypsum and 70% post-consumer recycled glass for a sustainable design that blends seamlessly into your walls and ceilings.

Consisting of a surround frame and either a Pop-Out or Concealed Hinged Door, Seamless GFRG Access Door Panels are perfect for jobs where Access is required at regular intervals.

Light-weight and easily textured, these panels can be used in both new and retrofit construction across unlimited applications.

The smart design helps contractors work smarter, faster, and better with deeper tapered edges, level 5 finish, pre-countersunk locations with superior plywood embedments for addition mechanical strength for drywall joints that won't shrink, crack, or sag. Our precision CNC machine controlled pattern making for mold making provides an aesthetically pleasing solution for a more attractive interior.

Slotted Cam Latch
An easy and convenient to use latch, just turn it with a small coin in the slot on the front of the body. Recommended for low security access.

Keyed Cam-Latch
Recommended for high security access or where locks are required for controlled access. Keyed alike is standard.

Slotted Cam Latch Flushed Mount

Keyed Cam Latch Flushed Mount

Neoprene Gasket
Available in all sizes

Piano Hinge
Special Order upon request

Our custom shop is second to none in its abilities to produce any dimension GFRG Access Panel and Doors (Pop-Out or Concealed Hinge) in any shape or size, curved, louvred, double thickness, and double door.

We'll design and fabricate your custom Access Panel & Door in a quick and timely manner.

Making your idea into a reality for your custom application! Castle Seamless Access Panels is your partner in achieving the right solution for your next building project.

Castle manufactures GRG (Glass Reinforced Gypsum) building components for the commercial, institutional and high-end residential building markets. We have the largest stock molds for standard column covers ranging from 8" to 60" diameter in heights as tall as 16 ft.

Short Lead-Times
Design and technical shop drawings
Free freight for qualified customers

In addition we have a complete mold shop which allows us to produce our products to suit your specific requirements. Please contact us with your specific needs for a quote 905-738-8089.